CN107726912A - Shell-and-tube heat exchanger anti-freezing structure - Google Patents
Shell-and-tube heat exchanger anti-freezing structure Download PDFInfo
- Publication number
- CN107726912A CN107726912A CN201711156230.7A CN201711156230A CN107726912A CN 107726912 A CN107726912 A CN 107726912A CN 201711156230 A CN201711156230 A CN 201711156230A CN 107726912 A CN107726912 A CN 107726912A
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- China
- Prior art keywords
- heat exchanger
- cylinder
- shell
- tube
- freezing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007710 freezing Methods 0.000 title claims abstract description 46
- 230000008014 freezing Effects 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims description 34
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 13
- 239000011496 polyurethane foam Substances 0.000 claims description 13
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 5
- 239000006261 foam material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 34
- 229920003023 plastic Polymers 0.000 description 22
- 239000004033 plastic Substances 0.000 description 22
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000002555 descemet membrane Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
- F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/14—Safety or protection arrangements; Arrangements for preventing malfunction for preventing damage by freezing, e.g. for accommodating volume expansion
Abstract
The invention provides a kind of shell-and-tube heat exchanger anti-freezing structure, is related to general heat exchange or heat-transfer equipment technical field, solves the technical problem for the impulsive force for how slowing down refrigerating medium freezing and expansion exchange heat pipe.The device includes cylinder and multiple heat exchanger tubes, and refrigerating medium is filled between the cylinder and multiple heat exchanger tubes, and multiple heat exchanger tubes are installed in the cylinder；Characterized in that, the inwall of the cylinder is lined with elastic layer, the elastic layer slows down impulsive force of the refrigerating medium freezing and expansion to the heat exchanger tube.The present invention is used under low temperature environment the handpiece Water Chilling Units run.
Description
Technical field
It is antifreeze more particularly, to a kind of shell-and-tube heat exchanger the present invention relates to general heat exchange or heat-transfer equipment technical field
Structure.
Background technology
Antifreeze issue-resolution on shell-and-tube heat exchanger in the market, it is essentially all to increase electric signal control
System, to carry out unit regulation to reach antifreezing effect.Without doing antifreeze aspect by changing shell-and-tube heat exchanger this body structure
Measure.
The shell-and-tube heat exchanger that the handpiece Water Chilling Units run under low temperature environment use, refrigerating medium are full of the cylinder in heat exchanger
Between heat exchanger tube.In the case where handpiece Water Chilling Units are run or burst reason causes handpiece Water Chilling Units to have a power failure, handpiece Water Chilling Units stop fortune
OK.Because environment temperature is relatively low (such as under subzero environment), the refrigerating medium or internal residual that are used inside shell-and-tube heat exchanger
Refrigerating medium freezing and expansion, so as to exchange flexural deformation or the freezing heat exchanger tube of fracture that heat pipe extruding causes heat exchanger tube, so as to shadow
The use of speaking pipe shell heat exchanger.
The content of the invention
It is an object of the invention to provide a kind of shell-and-tube heat exchanger anti-freezing structure, to solve present in prior art such as
What slows down the technical problem of the impulsive force of refrigerating medium freezing and expansion exchange heat pipe.It is excellent in many technical schemes provided by the invention
Many technique effects elaboration as detailed below that selecting technology scheme can be generated.
To achieve the above object, the invention provides following technical scheme：
The present invention provides a kind of shell-and-tube heat exchanger anti-freezing structure, including cylinder and multiple heat exchanger tubes, multiple heat exchange
Refrigerating medium is filled between pipe, multiple heat exchanger tubes are installed in the cylinder；The inwall of the cylinder is lined with elastic layer,
The elastic layer slows down impulsive force of the refrigerating medium freezing and expansion to the heat exchanger tube.
The beneficial effects of the invention are as follows the setting by elastic layer, elastic layer can absorb the impact of refrigerating medium freezing and expansion
Power, so as to reduce the impact of impulsive force exchange heat pipe, reduce the damage of heat exchanger tube.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, described shell-and-tube heat exchanger anti-freezing structure, the heat exchanger tube include body and spiral shape outer wall, institute
Spiral shape outer wall is stated to be fixedly connected with the body.
Beneficial effect using above-mentioned further scheme is the area that spiral outer wall increases heat exchange pipe outer wall, and then is slowed down
Refrigerating medium freezing and expansion exchanges the impulsive force of heat pipe.
Further, described shell-and-tube heat exchanger anti-freezing structure, the spiral shape outer wall and described body by integral forming.
Beneficial effect using above-mentioned further scheme is to be advantageous to fabricate using being integrally formed mode, so as to reduce
Manufacturing cost.
Further, described shell-and-tube heat exchanger anti-freezing structure, the body, which has, to be used to carry circulation heat-exchange carrier
Cavity, the spiral shape outer wall is hollow-core construction, and is connected with the cavity of the body.
Beneficial effect using above-mentioned further scheme is the hollow-core construction by spiral shape outer wall and the cavity phase of body
Connection, so as to add heat exchanger tube cavity volume while the outer wall area of heat exchanger tube is increased, and then be advantageous to heat exchanger tube
Heat exchange.
Further, described shell-and-tube heat exchanger anti-freezing structure, the inwall of the elastic layer and the cylinder bond.
Further, described shell-and-tube heat exchanger anti-freezing structure, the elastic layer use skinned foam plastic products.
Beneficial effect using above-mentioned further scheme is that skinned foam plastics have shock proof advantage, can be slowed down
The impulsive force of refrigerating medium freezing and expansion, and with waterproof skin compounded, so as to by the internal insulation of refrigerating medium and elastic layer, and then
The purpose of waterproof is played to elastic layer inside.
Further, described shell-and-tube heat exchanger anti-freezing structure, the elastic layer include microcellular foam layer and prevented
Moisture film, the outer surface of the microcellular foam layer bond with the inner surface of the waterproof membrane, the microcellular foam layer
Inner surface lining is located at the inwall of the cylinder.
Using it is above-mentioned further scheme beneficial effect be due to microcellular foam when by impulsive force, can itself
Compression slows down the impulsive force of refrigerating medium freezing and expansion exchange heat pipe so as to absorb impulsive force.Waterproof membrane is used to prevent fine-celled foam
Absorption of the plastics to the refrigerating medium under liquid condition.
Further, described shell-and-tube heat exchanger anti-freezing structure, the microcellular foam layer use soft polyurethane foam
Or polyurethane semihard foam material makes.
Beneficial effect using above-mentioned further scheme is that soft polyurethane foam or polyurethane semihard foam can absorb impact
Power, and certain insulation effect can be played.Elastic deformation is larger, and recoverability is good, so as to effectively alleviate load
The impulsive force of cryogen freezing and expansion.Because soft polyurethane foam or polyurethane semihard foam belong to high polymer material, so as to avoid
Chemically reacted with cylinder, and then avoid corroding cylinder.
Further, described shell-and-tube heat exchanger anti-freezing structure, the thickness d of the elastic layer is 0.05R, and wherein R is
The radius of the cylinder.
Further, described shell-and-tube heat exchanger anti-freezing structure, the radius of the cylinder are more than or equal to 200mm.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is heat exchange tube structure schematic diagram of the present invention；
Fig. 3 is elastic layer structural representation of the present invention.
1- cylinders in figure, 2- heat exchanger tubes, 3- elastic layers, 4- installation tube sheets, 31- microcellular foam layers, 32- waterproof membranes.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
The invention provides a kind of shell-and-tube heat exchanger anti-freezing structure, including cylinder 1 and multiple heat exchanger tubes 2.Cylinder 1 and more
Refrigerating medium is filled between individual heat exchanger tube 2.Multiple heat exchanger tubes 2 are installed in cylinder 1.The inwall of cylinder 1 is lined with elastic layer 3.
Elastic layer 3 slows down the impulsive force of refrigerating medium freezing and expansion exchange heat pipe 2.
Specifically, as shown in figure 1, wherein Fig. 1 is schematic structural view of the invention.Due to refrigerating medium filling cylinder 1 and multiple
Between heat exchanger tube 2, so being filled with refrigerating medium between cylinder 1 and heat exchanger tube 2 and between multiple heat exchanger tubes 2.Refrigerating medium
Can be water or other be used for transport energy liquid.The applicable refrigerating medium of the present invention at low temperature can freezing and expansion so as to producing
Impulsive force.The applicable shell-and-tube heat exchanger of the present invention is the shell-and-tube heat exchanger that the handpiece Water Chilling Units run under low temperature environment use.
Wherein, the concrete structure of shell-and-tube heat exchanger is not intended to limit, that is, the structure of applicable shell-and-tube heat exchanger of the invention is applicable
In but be not limited to following four, fixed tube sheet type, U-tube formula, floating head type and the type of stuffing box type four.It is therefore of the invention
The specific mounting means of cylinder and heat exchanger tube will not be repeated here.
Elastic layer 3 is lining in the inwall of cylinder 1, when the refrigerating medium freezing and expansion between cylinder 1 and heat exchanger tube, elastic layer 3
It is thinning to absorb the thickness reduction of the impulsive force Descemet's membrane 3 of refrigerating medium freezing and expansion, so as to increase the internal capacity of cylinder 1, enters
And slow down the impulsive force of refrigerating medium freezing and expansion exchange heat pipe 2.
Optionally embodiment, heat exchanger tube 2 include body and spiral shape outer wall 21.Spiral shape outer wall 21 is consolidated with body
Fixed connection.
Specifically, as shown in Fig. 2 wherein Fig. 3 is heat exchange tube structure schematic diagram.Due to the setting of spiral shape outer wall, so that
Increase the area of the outer wall of heat exchanger tube 2.The outside outwardly convex of the circular heat exchanger tube 2 of spiral shape outer wall is simultaneously inclined with vertical plane
Shape is so as to decomposing impulsive force.When impulsive force caused by the refrigerating medium freezing and expansion between multiple heat exchanger tubes 2 is to heat exchanger tube 2
When outer wall impacts, spiral shape outer wall 21 disperses impulsive force while lifting surface area is increased, so as to slow down impulsive force heat exchanging
The impact of the outer wall of pipe 2, and then avoid heat exchanger tube 2 from bending, damage.Spiral shape outer wall 21 is removed in body i.e. heat exchanger tube 2
Part.
Further, spiral shape outer wall 21 and this body by integral forming.
Specifically, as shown in Fig. 2 be advantageous to fabricate using the mode of being integrally formed, so as to reduce manufacturing cost.
Further, body has the cavity for being used for carrying circulation heat-exchange carrier.Spiral shape outer wall 21 is hollow-core construction, and
It is connected with the cavity of body.
Specifically, it is connected by the hollow-core construction of spiral shape outer wall 21 with the cavity of body, so as in increase heat exchanger tube 2
Outer wall area while add the cavity volume of heat exchanger tube 2, and then be advantageous to the heat exchange of heat exchanger tube 2.
Optionally embodiment, the inwall of elastic layer 3 and cylinder 1 bond.So as to facilitate processing and fabricating.
Optionally embodiment, elastic layer 31 use skinned foam plastic products.
Further, elastic layer 3 includes microcellular foam layer 31 and waterproof membrane 32.The appearance of microcellular foam layer 31
Face and the inner surface of waterproof membrane 32 bond.The inner surface lining of microcellular foam layer 31 is located at the inwall of cylinder 1.
Specifically, as shown in figure 3, wherein, Fig. 3 is elastic layer structural representation of the present invention.Due to microcellular foam 31
In microcellular structure in be flooded with air, when micropore is oppressed, the discharge of air in micropore, the foam plastic of micropore and its body
Expect volume contraction absorption pressure under pressure.The inner surface of microcellular foam 31 can use the side of bonding with cylinder 1
Formula connects.
Microcellular foam layer 31 itself can be compressed so as to absorb impulsive force, and then expand cylinder when by impulsive force
The internal capacity of body 1, slow down the impulsive force of refrigerating medium freezing and expansion exchange heat pipe.Waterproof membrane 32 is used to prevent microcellular foam
The absorption of refrigerating medium under 31 pairs of liquid conditions.
In other words, skinned foam plastics include microcellular foam layer 31 and waterproof membrane 32.Moulded in skinned foam
Waterproof membrane 32 is formed at the outer surface of microcellular foam layer 31 in the manufacturing process of material.
By skinned foam plastics (hereinafter referred to as plastic tube, because the inwall of cylinder 1 is cylindrical, Gu Zijie in the present invention
Foams plastics need to be made as tubular structure) technical process of cylinder 1 is lining in as pipe plastic liner technique in the prior art, enter herein
Row is briefly described.It is exactly to apply to be inserted in cylinder 1 after tack coat by plastics tube extrusion molding and outside to add together with cylinder 1 in simple terms
Heat, pressurization and cooling and shaping, plastic tube is firmly met with cylinder 1 together with.Technological principle is, by being inserted in plastic tube
Cylinder 1 heated, there is provided to inner lining plastic tube shaping and molding bonded heat, internal pressure then is added to plastic tube again, made
It is bonded together by tack coat and cylinder 1 after plastics tube swelling, is formed finally by cooling and shaping.Technological requirement is plastics
Pipe is produced with tack coat using coextruding method, and heat molten type adhesive-layer is compounded in into plastics pipe surface.Plastic tube glues surface when extruding
Bondline thickness is uniform.Same section wall thickness limit deviation is no more than 14%, and adhesive-layer thickness control is between 0.2-0.28mm.
Further, microcellular foam layer 31 is made using soft polyurethane foam or polyurethane semihard foam material.
Specifically, soft polyurethane foam or polyurethane semihard foam are material in the prior art.Soft polyurethane foam refers to soft
Matter polyurethane foam plastics, it is a kind of flexibility polyurethane foam plastics with certain elasticity.Soft polyurethane foam is mostly perforate
Structure, have density is low, elastic recovery is good, sound-absorbing, ventilative, insulation and other effects.Polyurethane semihard foam i.e. polyurethane semihard
Matter foamed plastics, performance have higher compression load value and higher between soft polyurethane foam and the foamed plastics of hard bubble self-test
Density.And soft polyurethane foam or polyurethane semihard foam material can play certain insulation effect.Elastic deformation is larger, and
Recoverability is good, so as to effectively alleviate the impulsive force of refrigerating medium freezing and expansion.Due to soft polyurethane foam or polyurethane half
Hard bubble belongs to high polymer material, so as to avoid chemically reacting with cylinder, and then avoids corroding cylinder.
That is, elastic layer 3 can be made using the soft bubble of self-skin polyurethane or the hard bubble of self-skin polyurethane half.
Optionally embodiment, the thickness d of elastic layer 3 is 0.05R, and wherein R is the radius of cylinder 1.
Further, the radius of cylinder 1 is more than or equal to 200mm.The radius of cylinder 1 is formulated according to refrigerating medium freezing and expansion coefficient
Size.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " transverse direction ", " vertical ", " level ", " bottom " " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of shell-and-tube heat exchanger anti-freezing structure, including cylinder (1) and multiple heat exchanger tubes (2), the cylinder (1) and multiple institutes
State and refrigerating medium is filled between heat exchanger tube (2), multiple heat exchanger tubes (2) are installed in the cylinder (1)；Characterized in that,
The inwall of the cylinder (1) is lined with elastic layer (3), and the elastic layer (3) is slowed down the refrigerating medium freezing and expansion and changed described
The impulsive force of heat pipe (2).
2. shell-and-tube heat exchanger anti-freezing structure according to claim 1, it is characterised in that the heat exchanger tube (2) includes this
Body and spiral shape outer wall (21), the spiral shape outer wall (21) are fixedly connected with the body.
3. shell-and-tube heat exchanger anti-freezing structure according to claim 2, it is characterised in that the spiral shape outer wall (21) with
Described body by integral forming.
4. shell-and-tube heat exchanger anti-freezing structure according to claim 3, it is characterised in that the body, which has, to be used to carry
The cavity of circulation heat-exchange carrier, the spiral shape outer wall (21) is hollow-core construction, and is connected with the cavity of the body.
5. shell-and-tube heat exchanger anti-freezing structure according to claim 1, it is characterised in that the elastic layer (3) with it is described
The inwall of cylinder (1) bonds.
6. shell-and-tube heat exchanger anti-freezing structure according to claim 1, it is characterised in that the elastic layer (31) is using certainly
Skin foam product.
7. shell-and-tube heat exchanger anti-freezing structure according to claim 6, it is characterised in that the elastic layer (3) includes micro-
Hole foam layer (31) and waterproof membrane (32), outer surface and the waterproof membrane (32) of the microcellular foam layer (31)
Inner surface bonds, and the inner surface lining of the microcellular foam layer (31) is located at the inwall of the cylinder (1).
8. shell-and-tube heat exchanger anti-freezing structure according to claim 7, it is characterised in that the microcellular foam layer
(31) made using soft polyurethane foam or polyurethane semihard foam material.
9. shell-and-tube heat exchanger anti-freezing structure according to claim 1, it is characterised in that the thickness d of the elastic layer (3)
For 0.05R, wherein R is the radius of the cylinder (1).
10. shell-and-tube heat exchanger anti-freezing structure according to claim 9, it is characterised in that the radius of the cylinder (1) is big
In equal to 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156230.7A CN107726912A (en) | 2017-11-20 | 2017-11-20 | Shell-and-tube heat exchanger anti-freezing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156230.7A CN107726912A (en) | 2017-11-20 | 2017-11-20 | Shell-and-tube heat exchanger anti-freezing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107726912A true CN107726912A (en) | 2018-02-23 |
Family
ID=61217432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156230.7A Pending CN107726912A (en) | 2017-11-20 | 2017-11-20 | Shell-and-tube heat exchanger anti-freezing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726912A (en) |
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|---|---|---|---|---|
| KR200324483Y1 (en) * | 2003-06-11 | 2003-08-25 | 강흥묵 | Apparatus for absorbing a volume expansive force of a liquid |
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| CN2861877Y (en) * | 2004-10-20 | 2007-01-24 | 徐婧 | Dual-flow passage frost cracking prevention solar vacuum heat-collecting tube |
| CN201359175Y (en) * | 2009-03-03 | 2009-12-09 | 林志辉 | Runner frost crack prevention device and heat exchanger with same |
| CN203421997U (en) * | 2013-06-19 | 2014-02-05 | 扬州万福压力容器有限公司 | Corrugated tube heat exchanger |
| CN203758316U (en) * | 2014-04-02 | 2014-08-06 | 盘锦俊祥商贸有限公司 | Pipeline heat exchanger |
| CN105571355A (en) * | 2016-03-07 | 2016-05-11 | 山东源一节能科技有限公司 | Spring type efficient antifreezing sleeve heat exchanger |
| CN105953477A (en) * | 2016-06-17 | 2016-09-21 | 苏州热立方新能源有限公司 | Anti-freeze heat exchanger |
| CN207515600U (en) * | 2017-11-20 | 2018-06-19 | 郑州欧纳尔冷暖科技有限公司 | Shell-and-tube heat exchanger anti-freezing structure |
-
2017
- 2017-11-20 CN CN201711156230.7A patent/CN107726912A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200324483Y1 (en) * | 2003-06-11 | 2003-08-25 | 강흥묵 | Apparatus for absorbing a volume expansive force of a liquid |
| CN2861877Y (en) * | 2004-10-20 | 2007-01-24 | 徐婧 | Dual-flow passage frost cracking prevention solar vacuum heat-collecting tube |
| JP2006329454A (en) * | 2005-05-23 | 2006-12-07 | Hoshizaki Electric Co Ltd | Cylindrical heat exchanger |
| CN201359175Y (en) * | 2009-03-03 | 2009-12-09 | 林志辉 | Runner frost crack prevention device and heat exchanger with same |
| CN203421997U (en) * | 2013-06-19 | 2014-02-05 | 扬州万福压力容器有限公司 | Corrugated tube heat exchanger |
| CN203758316U (en) * | 2014-04-02 | 2014-08-06 | 盘锦俊祥商贸有限公司 | Pipeline heat exchanger |
| CN105571355A (en) * | 2016-03-07 | 2016-05-11 | 山东源一节能科技有限公司 | Spring type efficient antifreezing sleeve heat exchanger |
| CN105953477A (en) * | 2016-06-17 | 2016-09-21 | 苏州热立方新能源有限公司 | Anti-freeze heat exchanger |
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